diff --git a/data/settings.html b/data/settings.html
index f6b33a7..831c7ee 100644
--- a/data/settings.html
+++ b/data/settings.html
@@ -171,7 +171,19 @@
                 name="password"
                 placeholder="WLAN-Passwort eingeben"
               />
+              <div class="section">
+              <div
+              id="systemInfo"
+              style="
+              background: white;
+              padding: 20px;
+              border-radius: 10px;
+              font-family: monospace;
+              font-size: 14px;
+              " 
+              >
               <div>STA IP-Adresse: <span id="STAipAddress">Laden...</span></div>
+              </div>
             </div>
             <div class="button-group">
               <button type="submit" id="wifiSubmitBtn" class="btn btn-primary">
diff --git a/platformio.ini b/platformio.ini
index 514cdc5..0fcb259 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -27,11 +27,11 @@ board_build.psram = disabled
 lib_deps = 
 	bblanchon/ArduinoJson@^7.4.1
 	esp32async/ESPAsyncWebServer@^3.7.7
-	lostincompilation/PrettyOTA@^1.1.3
 	esp32async/AsyncTCP@^3.4.2
 	mlesniew/PicoMQTT@^1.3.0
 	miguelbalboa/MFRC522@^1.4.12
 	adafruit/RTClib@^2.1.4
+	ayushsharma82/ElegantOTA@^3.1.7
 
 [env:wemos_d1_mini32_OTA]
 board = wemos_d1_mini32
@@ -39,11 +39,11 @@ monitor_speed = 115200
 lib_deps = 
 	bblanchon/ArduinoJson@^7.4.1
 	esp32async/ESPAsyncWebServer@^3.7.7
-	lostincompilation/PrettyOTA@^1.1.3
 	esp32async/AsyncTCP@^3.4.2
 	mlesniew/PicoMQTT@^1.3.0
 	miguelbalboa/MFRC522@^1.4.12
 	adafruit/RTClib@^2.1.4
+	ayushsharma82/ElegantOTA@^3.1.7
 upload_protocol = espota
 upload_port = 192.168.1.94
 
@@ -58,11 +58,11 @@ board_build.psram = disabled
 lib_deps = 
 	bblanchon/ArduinoJson@^7.4.1
 	esp32async/ESPAsyncWebServer@^3.7.7
-	lostincompilation/PrettyOTA@^1.1.3
 	esp32async/AsyncTCP@^3.4.2
 	mlesniew/PicoMQTT@^1.3.0
 	miguelbalboa/MFRC522@^1.4.12
 	adafruit/RTClib@^2.1.4
+	ayushsharma82/ElegantOTA@^3.1.7
 
 [env:esp32thing]
 board = esp32thing
@@ -70,6 +70,7 @@ monitor_speed = 115200
 build_flags = 
 	-DBOARD_HAS_PSRAM
 	-mfix-esp32-psram-cache-issue
+	-DBATTERY_PIN=36
 board_upload.flash_size = 16MB
 board_build.partitions = default_16MB.csv
 targets = uploadfs
@@ -77,8 +78,8 @@ board_build.psram = disabled
 lib_deps = 
 	bblanchon/ArduinoJson@^7.4.1
 	esp32async/ESPAsyncWebServer@^3.7.7
-	lostincompilation/PrettyOTA@^1.1.3
 	esp32async/AsyncTCP@^3.4.2
 	mlesniew/PicoMQTT@^1.3.0
 	miguelbalboa/MFRC522@^1.4.12
 	adafruit/RTClib@^2.1.4
+	ayushsharma82/ElegantOTA@^3.1.7
diff --git a/src/battery.h b/src/battery.h
new file mode 100644
index 0000000..c2229ed
--- /dev/null
+++ b/src/battery.h
@@ -0,0 +1,35 @@
+#pragma once
+#include <Arduino.h>
+
+unsigned long lastBatteryRead = 0;
+
+void setupBattery() {
+  // GPIO Setup
+  pinMode(BATTERY_PIN, INPUT);
+}
+
+float readBatteryVoltage() {
+  uint32_t Vbatt = 0;
+  for (int i = 0; i < 16; i++) {
+    Vbatt += analogReadMilliVolts(BATTERY_PIN);
+  }
+  float avg = Vbatt / 16.0;
+  Serial.print("ADC raw (mV): ");
+  Serial.println(avg);
+  float Vbattf = avg * 2 / 1000.0;
+
+  lastBatteryRead = millis(); // Update last read time
+
+  return Vbattf;
+}
+
+void loopBattery() {
+  if (millis() - lastBatteryRead > 10000) { // Read every 10 seconds
+    float voltage = readBatteryVoltage();
+    Serial.print("Battery Voltage: ");
+    Serial.println(voltage);
+    
+    // Here you can add code to send the voltage to a server or display it
+    // For example, you could publish it to MQTT or update a web interface
+  }
+}
\ No newline at end of file
diff --git a/src/communication.h b/src/communication.h
index 9da611a..a192e48 100644
--- a/src/communication.h
+++ b/src/communication.h
@@ -213,8 +213,7 @@ void handleBatteryTopic(const char *topic, const char *payload) {
   pushUpdateToFrontend(
       json); // Diese Funktion schickt das JSON an alle WebSocket-Clients
 
-  // Serial.printf("Battery level for %s (%s): %d%%\n", buttonType.c_str(),
-                macStr.c_str(), batteryLevelP);
+  // Serial.printf("Battery level for %s (%s): %d%%\n", buttonType.c_str(),macStr.c_str(), batteryLevelP);
 }
 
 /**
diff --git a/src/master.cpp b/src/master.cpp
index bee9b3a..92bcdbb 100644
--- a/src/master.cpp
+++ b/src/master.cpp
@@ -8,12 +8,12 @@
 #include <AsyncTCP.h>
 #include <ESPAsyncWebServer.h>
 #include <Preferences.h>
-#include <PrettyOTA.h>
 #include <SPIFFS.h>
 #include <esp_now.h>
 #include <esp_wifi.h>
 
 
+
 #include <communication.h>
 #include <databasebackend.h>
 #include <debug.h>
@@ -22,6 +22,7 @@
 #include <timesync.h>
 #include <webserverrouter.h>
 #include <wificlass.h>
+#include <battery.h>
 
 
 const char *firmwareversion = "1.0.0"; // Version der Firmware
@@ -299,12 +300,15 @@ void setup() {
   setupWebSocket();
   setupLED();
   setupMqttServer(); // MQTT Server initialisieren
-  setupRFID();
+  //setupBattery();
+  //setupRFID();
 }
 
 void loop() {
+  loopOTA(); // OTA Loop aufrufen
   checkAutoReset();
   loopMqttServer(); // MQTT Server in der Loop aufrufen
   loopWebSocket();
-  loopRFID(); // RFID Loop aufrufen
+  //loopBattery(); // Batterie-Loop aufrufen
+  //loopRFID(); // RFID Loop aufrufen
 }
diff --git a/src/wificlass.h b/src/wificlass.h
index 7b6e477..cd607bb 100644
--- a/src/wificlass.h
+++ b/src/wificlass.h
@@ -1,10 +1,10 @@
 #pragma once
 #include <Arduino.h>
 #include <ESPmDNS.h> // <-- mDNS hinzufügen
-#include <PrettyOTA.h>
 #include <WiFi.h>
 #include <esp_now.h>
 #include <esp_wifi.h>
+#include <ElegantOTA.h> // OTA Updates
 
 #include "licenceing.h"
 #include "master.h"
@@ -12,10 +12,11 @@
 
 String uniqueSSID;
 
-PrettyOTA OTAUpdates;
 
 String getUniqueSSID();
 bool isInternetAvailable();
+void loopOTA();
+void setupOTA();
 
 // Initialisiert das WLAN als Access Point oder Station und startet mDNS/OTA.
 void setupWifi() {
@@ -76,16 +77,25 @@ void setupWifi() {
 // Initialisiert das OTA-Update-System (PrettyOTA) für Firmware-Updates.
 void setupOTA(AsyncWebServer *server) {
   // Initialize PrettyOTA
-  OTAUpdates.Begin(server);
+
+  ElegantOTA.begin(server);
+
+  //OTAUpdates.Begin(server);
 
   // Set unique Hardware-ID for your hardware/board
-  OTAUpdates.SetHardwareID("AquaCross-Master");
+  //OTAUpdates.SetHardwareID("AquaCross-Master");
 
   // Set firmware version to 1.0.0
-  OTAUpdates.SetAppVersion(firmwareversion);
+  //OTAUpdates.SetAppVersion(firmwareversion);
 
   // Set current build time and date
-  PRETTY_OTA_SET_CURRENT_BUILD_TIME_AND_DATE();
+  //PRETTY_OTA_SET_CURRENT_BUILD_TIME_AND_DATE();
+}
+
+void loopOTA(){
+
+  ElegantOTA.loop();
+
 }
 
 // Generiert eine eindeutige SSID auf Basis der MAC-Adresse.